Freeze-drying, also called lyophilization, is a process where food is quickly frozen, and then the ice is turned into water vapor and removed by placing the frozen food in a vacuum, resulting in a dehydrated product. Freeze-drying food requires special equipment, so people do not usually do this at home, instead purchasing products from companies that specialize in this process. Continue reading “Advantages & Disadvantages of Freeze-Dried Food”
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